Ng, Y. F. (2006). Flight phenology, diversity and systematics of the ichneumonid wasps (hymenoptera: Ichneumonidae) in lowland dipterocarp forest. Fakulti Sains Dan Teknologi, Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ng, Yong Foo. Flight Phenology, Diversity and Systematics of the Ichneumonid Wasps (hymenoptera: Ichneumonidae) in Lowland Dipterocarp Forest. Bangi: Fakulti Sains Dan Teknologi, Universiti Kebangsaan Malaysia, 2006.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ng, Yong Foo. Flight Phenology, Diversity and Systematics of the Ichneumonid Wasps (hymenoptera: Ichneumonidae) in Lowland Dipterocarp Forest. Fakulti Sains Dan Teknologi, Universiti Kebangsaan Malaysia, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.